XmlDocument xml = new XmlDocument();
xml.LoadXml(responseString);
XmlNode root = xml.DocumentElement;
XmlNamespaceManager nsp = new XmlNamespaceManager(xml.NameTable);
nsp.AddNamespace("soapenv", "http://schemas.xmlsoap.org/soap/envelope/");
nsp.AddNamespace("ns2", "http://service.ws.webservice.sajt");
nsp.AddNamespace("ns1", "http://service.ws.webservice.sajt/xsd");
XmlNode root2 = root.SelectSingleNode("ns1:status", nsp);
XmlNode root4 = root.SelectSingleNode("soapenv:Body", nsp);
XmlNode root5 = root4.SelectSingleNode("ns2:saveDocumentResponse", nsp);
XmlNode root6 = root5.SelectSingleNode("ns2:return", nsp);
XmlNode root7 = root6.SelectSingleNode("ns1:status", nsp);
